JEE Previous Year Question

In an apartment there are 30 kids. If each kid plays table tennis with other kid, then the total number of matches played by them

Topic: JEE PYQ

Answer: A. Full step-by-step solution below.

  1. A
  2. B
  3. C
  4. D

Correct answer: A

Solution

(a) Total number of kids
The number of required matches played is same as the number ways to choose two kids among 30 kids.
So number of matches

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